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Konferencja
Proceedings of the 14th French-Polish Colloguium "Soli and Rock Mechanics. soil Mechanics - Geomaterials" Grenoble, August 29-31, 2007
Języki publikacji
Abstrakty
Effective control of dam safety requires that the measured pore-pressure data be interpreted in the shortest possible time following the readings. Direct resolution based on partial differential equations are not appropriate. We present a relevant formalism for analysing pore-pressure monitoring data: the Impulse Response Function Analysis (IRFA) method. The model based on approximations for the impulse response of the dam gives the variations in the pore-pressure measurement resulting from changes in the reservoir levels. An expression for the explicit estimation of in situ hydraulic diffusivity is derived. The model was applied to the analysis of monitoring data obtained at a zoned earth dam. The results obtained proved that essential aspects of the observed phenomenon in most cells data can be described in this linear framework, and that they are taken into account.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
5--11
Opis fizyczny
bibliogr. 9 poz.,
Twórcy
autor
autor
- Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, Poland
Bibliografia
- [1] BEAR J., Dynamics of Fluids in Porous Media, Dover, New York, 1972.
- [2] BECK J.V., COLE K.D., HAJI-SHEIKH A., LITKOUHI B., Heat Conduction Using Green’s Functions, Hemisphere, Washington, DC, 1992.
- [3] BONELLI S., ROYET P., Delayed response analysis of dam monitoring data, Dams in a European Context, Balkema/Rotterdam, 2001, 91–99.
- [4] BONELLI S., Analyse retard des mesures d’auscultation de barrages, Revue Française de Géotechnique, 2003, 105, 31–45.
- [5] FERRY S., WILLM G., Méthodes d'analyse et de surveillance des déplacements observés par le moyen de pendules dans les barrages, VI International Congress on Large Dams, New York, 1958, Vol. II, ICOLD, 1179–1201.
- [6] KJAERNSLI B., KVALE G., LUNDE J., BAADE-MATHIESEN J., Design, construction, control and performance of the Svartevann earth-rockfill dam, XIV International Congress on Large Dams, Rio de Janeiro, 1982, Vol. IV, ICOLD, 319–349.
- [7] MYRVOLL F., LARSEN S., SANDE A., ROMSOL N.B., Field instrumentation and performance observations for the Vatnedalsvatn dams, XV International Congress on Large Dams, Lausanne, 1985, Vol. I, ICOLD, 1039–1069.
- [8] ST-ARNAUD G., The high pore pressures within embankment dams: an unsaturated soil approach. Canadian Geotechnical Journal, 1995, 32, 892–898.
- [9] WINDISCH E., HØEG K., Pore pressure in the till core of Oddatjorn dam, 53rd Canadian Geotechnical Conference, Montreal, 2000, 231–238.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0010-0001